M&A Deal Summary

The Carlyle Group and SK Capital Partners Acquire bluebird bio

On February 21, 2025, private equity firms The Carlyle Group and SK Capital Partners acquired life science company bluebird bio

Acquisition Highlights
  • This is The Carlyle Group’s 20th and SK Capital Partners’ 6th transaction in the Life Science sector.
  • This is The Carlyle Group’s 350th and SK Capital Partners’ 28th transaction in the United States.
  • This is The Carlyle Group’s 15th and SK Capital Partners’ 2nd transaction in Massachusetts.

M&A Deal Summary

Date 2025-02-21
Target bluebird bio
Sector Life Science
Buyer(s) The Carlyle Group
SK Capital Partners
Deal Type Going Private
Advisor(s) Leerink Partners (Financial)
Latham & Watkins (Legal)

Target

bluebird bio

Somerville, Massachusetts, United States
bluebird bio is a clinical-stage biotechnology company focused on transforming the lives of patients with severe genetic and orphan diseases using gene therapy. bluebird bio was founded in 1992 and is based in Somerville, Massachusetts.

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Buyer(S) 2

Buyer

The Carlyle Group

Washington, District of Columbia, United States

Investor Investor Investor Investor


Category Private Equity Firm
Founded 1987
PE ASSETS 435.0B USD
Size Mega
Type Sector Agnostic
DESCRIPTION
Carlyle's corporate headquarters on Pennsylvania Ave. in Washington, DC.
Carlyle's corporate headquarters on Pennsylvania Ave. in Washington, DC.

The Carlyle Group is a global investment firm that pursues private equity, credit, and real estate investments worldwide. Carlyle's private equity practice practice pursues buyouts, strategic minority equity investments, equity private placements, consolidations and buildups, and growth capital financings. With offices in 19 countries, Carlyle can easily target opportunities throughout North America, Europe, Asia, Australia, the Middle East/North Africa and Latin America. Broad sectors of interest include aerospace, defense, automotive and transportation, consumer, retail, energy and power, financial services, healthcare, industrial, infrastructure, technology services, business services, telecommunications and media. The Carlyle Group was formed in 1987 and is based in Washington DC.


DEAL STATS #
Overall 745 of 745
Sector (Life Science) 20 of 20
Type (Going Private) 36 of 36
State (Massachusetts) 15 of 15
Country (United States) 350 of 350
Year (2025) 1 of 1
PREVIOUS DEAL
DATE TARGET DEAL TYPE VALUE
2024-12-16 Forgital

Vicenza , Italy

Forgital manufactures seamless rolled rings in rectangular or profiled sections, as well as assembled fan modules, covering the largest range of sizes. It specializes in forging rolled rings, with technologically advanced capabilities across a broad range of materials, including titanium, nickel and cobalt alloys, carbon steel, alloy steel, stainless steel and aluminum. The company's Compact Supply Chain simplifies the production process of its customers through an integrated system of technologies and services that encompasses all the steps of the project: from the pre-processing to the post-processing phase (including finishing, welding, and macroetching). Forgital was founded in 1873 and is based in Vicenza, Italy.

Sell -
FOLLOWING DEAL
DATE TARGET DEAL TYPE VALUE
2025-03-20 Ampere Computing

Santa Clara, California, United States

Ampere Computing is a semiconductor company that built for the cloud with a modern 64-bit Arm server-based architecture, Ampere gives customers the freedom to accelerate the delivery of all cloud computing applications. Ampere processors are tailored for the continued growth of cloud and edge computing. Ampere Computing was founded in 2018 and is based in Santa Clara, California.

Sell -
Buyer

SK Capital Partners

New York, New York, United States


Category Private Equity Firm
Founded 2007
PE ASSETS 4.9B USD
Size Large
Type Sector Agnostic
DESCRIPTION

SK Capital Partners is a private investor in mature and middle-market companies located throughout North America. SK Capital focuses on companies with opportunities for substantial business improvement and strong growth prospects. The Firm looks to invest $100 to $200 million of equity in transactions valued up to $500 million. Prospective businesses typically generate $50 to $500 million in revenues and at least $100 million in EBITDA. Areas of interest include specialty materials, chemicals and healthcare. The Firm will consider a variety of transaction situations, including buyouts, recapitalizations, growth equity financings, and corporate carve-outs. SK Capital Partners was spun out of Arsenal Capital Partners and became independent in 2007. SK Capital Partners is based in New York City.


DEAL STATS #
Overall 42 of 43
Sector (Life Science) 6 of 6
Type (Going Private) 2 of 2
State (Massachusetts) 2 of 2
Country (United States) 28 of 28
Year (2025) 1 of 2
PREVIOUS DEAL
DATE TARGET DEAL TYPE VALUE
2024-12-05 Spectra Confectionery

Vaughan, Ontario, Canada

Spectra Confectionery is a manufacturer of premium decorative toppings and confectionery products. Spectra supplies sprinkles, nonpareils, chocolate vermicelli, colored sugar crystals, sugar shapes, and panned products to North America’s largest food distributors, bakeries, ice cream, and snack food companies. Spectra Confectionery was formed in 1996 and is headquartered in Vaughan, Ontario.

Buy -
FOLLOWING DEAL
DATE TARGET DEAL TYPE VALUE
2025-03-06 PPT Holdings

Halifax, United Kingdom

PPT Holdings (PPT) is a multi-national holding company that designs and manufactures physical property testing instrumentation focused on a wide range of end markets and applications. Each brand within PPT represents a category leader in their specific testing niche. PPT Holdings is based in Halifax, United Kingdom.

Buy -